<?php

namespace App\Interfaces;
use Gregwar\Captcha\CaptchaBuilder;
use Log;

/**
 * 验证码接口
 * @package App\Interfaces
 */
interface CaptchaService {

    /**
     * 生成验证码
     * @param $tmp
     * @return mixed
     */
    public function captcha($tmp);


}